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Contract OI history

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Dec 17, 2027 EXPIRATION

CGEM $15.00 Put

CGEM271217P00015000

Latest saved OI168Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CGEM $15.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 168840 2026-10-08: 121 OI2026-10-09: 121 OI2026-10-13: 131 OI2026-10-14: 131 OI2026-10-16: 131 OI2026-10-20: 165 OI2026-10-23: 168 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CGEM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing168+3
Oct 20, 2026165+34
Oct 16, 20261310
Oct 14, 20261310
Oct 13, 2026131+10
Oct 09, 20261210
Oct 08, 2026121No prior observation